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--- hello_world_without_an_ide [2022/08/03 13:18] – created frchris
+++ hello_world_without_an_ide [2022/08/03 13:53] (current) – [Summary] frchris
@@ Line 1: / Line 1: @@
 ====== Hello World Without an IDE ======
-They the only way to teach a fish about water is to remove the fish from the water.  So in the time honored tradition of writing "Hello World!" when you learn a new computer language lets try.
+They say the only way to teach a fish about water is to remove the fish from the water.  So in the time honored tradition of writing "Hello World!" (whenever you learn a new computer language), lets try.
+We need to type the following Java code as a text file.   Java requires that the File name is Capitalized, and ends in ''.java''.
+===== 1. Type the code as a text file =====
+=== Linux / MacOS ===
+<code bash>
+nano First.java
+</code>
+There is a remote possibility [[https://www.fossmint.com/install-gnu-nano-in-linux/|nano needs to be installed]]
+=== DOS / Windows before Win7-64 bit===
+''edit First.java''
+=== Windows 7-64 bit and later ===
+''notepad First.java''
+(technically not a command line editor, but they removed that ability for some reason)
+====Now (in your respective editor) type:====
 <code java>
 public class First
@@ Line 10: / Line 28: @@
 }
 </code>
+===== 2. Compile the Code =====
-===== Linux =====
+<code bash>
+javac First
+</code>
+===== 3. Execute the Code =====
 <code bash>
-nano First.java
+java First
 </code>
+======Summary ======
+Doing this once usually ends with the response "There must be a better way!" Now you will appreciate any IDE, and there are many, but we will focus on two: BlueJ and Eclipse.
+Recommended reading: Java Methods (4th ed) Chapter 2